bis.c

来自「a source code for banker s algorithm」· C语言 代码 · 共 48 行

#include<windows.h>
#include<gl.h>
#include<glut.h>
void myInit()
{
 glClearColor(1.0,1.0,1.0,1.0);
 glColor3f(0.0f,0.0f,0.0f);
 glPointSize(4.0);
 gluOrtho2D(0.0,480.0,0.0,640.0);
}
void display()
{
 
	int a,b,c,d;
	glClear(GL_COLOR_BUFFER_BIT);
    glBegin(GL_POINTS);
    
			
			printf("Enter X & Y coordinates\n");
		    scanf("%d%d%d%d",&a,&b,&c,&d);
			glVertex2i(a,b);
		    glVertex2i(c,d);
		

	
 glEnd();

     glBegin(GL_POINTS);
     glVertex2i((a+c)/2,(b+d)/2);
	 glEnd();

 glFlush();
}
void main(int argc,char **argv)
{
	int a,b,c,d;
			printf("Enter X & Y coordinates\n");
		    scanf("%d%d%d%d",&a,&b,&c,&d);
 glutInit(&argc,argv);
 glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
 glutInitWindowSize(500,500);
 glutInitWindowPosition(100,50);
 glutCreateWindow("random pixel program");
 glutDisplayFunc(display);
 myInit();
 glutMainLoop();
}